Piano Sonata No. 6

Piano Sonata No. 6 may refer to:
 * Piano Sonata No. 6 (Beethoven)
 * Piano Sonata No. 6 (Feinberg)
 * Piano Sonata No. 6 (Mozart)
 * Piano Sonata No. 6 (Prokofiev)
 * Piano Sonata No. 6 (Scriabin)